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US 11,530,698 B2Granted
Oil pump including resin pump cover
AssigneeYamada Manufacturing Co., Ltd.
InventorsYuken Saito, Manabu Watanabe, Tomonori Yahagi
Life of this patent
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Abstract
An oil pump is configured to include a rotor, a drive shaft that drives the rotor to rotate, a rotor chamber in which the rotor is contained, an inlet port and an outlet port each provided in the vicinity of the rotor chamber, and a pump cover. The pump cover is made of a resin. On a portion of an outer surface side of the pump cover corresponding to an inner portion, in which oil circulates, of the pump cover, a rib that has an erecting wall shape is provided.
Claims10
An oil pump comprising:
- a rotor;
- a drive shaft that drives the rotor to rotate;
- a rotor chamber in which the rotor is contained;
- an inlet port and an outlet port each provided in the vicinity of the rotor chamber;
- and
- a pump cover, wherein
- the pump cover is made of a resin, and
- on a portion of an outer surface side of the pump cover corresponding to the outlet port, a rib that has an erecting wall shape is provided, and
- on a portion of an outer surface side of the pump cover corresponding to the inlet port, a rib that has an erecting wall shape is not provided.
6 more elements
Dependencies are inferred from the claim text.